fn main() {
    let me = Person {
        name: "Sreyas ✨",
        from: "India 🇮🇳",
        fav_lang: "Rust 🦀",
        age: Box::new(|current_year: u32| -> u32 {
            current_year - 2003
        }),
        system: System {
            os: "Linux 🤓",
            distro: Distro {
                name: "Fedora 🎩",
                version: 40,
                kernel: cmd("$(uname -r | cut -d"-" -f1)"),  // 6.11.4
            },
            prev_distro: vec!["Ubuntu", "EndeavourOS", "ZorinOS"],
        },
        dev: Dev {
            programming: Programming {
                languages: Languages {
                    knows: vec!["Javascript", "Python", "C", "C++", "Java", "Bash", "PHP"],
                    learning: vec!["Rust 🦀", "TypeScript"],
                },
                web_development: WebDevelopment {
                    knows: {
                        let mut map = HashMap::new();
                        map.insert("frontEnd", vec!["Javascript", "React", "JQuery", "TailwindCSS", "HTML", "CSS", "SCSS", "SASS"]);
                        map.insert("backEnd", vec!["PHP", "NodeJS"]);
                        map.insert("fullStack", vec!["NextJS", Flash ⚡]); // Just kidding, Actually I know it's Flask 🤫.
                        map.insert("lib", vec!["Redux", "React-router-dom", "Zustand", "Shadcn"]);
                        map
                    },
                    learning: {
                        let mut map = HashMap::new();
                        map.insert("frontEnd", vec![]);
                        map.insert("backEnd", vec!["Rust 🦀", "Actix", "Rocket", "Axum", "Express"]);
                        map.insert("orm", vec!["Drizzle", "Prisma", "Diesel"]);
                        map
                    },
                },
                db: Database {
                    knows: vec!["Supabase", "MongoDB", "MySql", "MariaDB", "OracleDB", "Firebase"],
                    learning: vec!["PostgreSQL"],
                },
                mobile: Mobile {
                    learning: vec!["ReactNative"],
                },
            },
        },
        tools: Tools {
            design: vec!["Figma"],
            workflow: vec!["Git", "Github"],
        },
        editors: vec!["VScode ❤️", "VIM ⚡", "NeoVim 🔥"],
    };

    println!("{:#?}", me);
}